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Solution structure of the third spectrin repeat of alpha-actinin-4
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 0.6mM actinin-4; 25mM phosphate buffer; 100mM NaCl; 90% H2O, 10% D2O; 0.01% NaN3 90% H2O/10% D2O 100mM NaCl 6.75 ambient 298 2 2D NOESY 0.6mM actinin-4; 25mM phosphate buffer; 100mM NaCl; 90% H2O, 10% D2O; 0.01% NaN3 100% D2O 100mM NaCl 6.75 ambient 298 3 3D_15N-separated_NOESY 0.6mM actinin-4 U-15N; 25mM phosphate buffer; 100mM NaCl; 90% H2O, 10% D2O; 0.01% NaN3 90% H2O/10% D2O 100mM NaCl 6.75 ambient 298 4 HNHA 0.6mM actinin-4 U-15N; 25mM phosphate buffer; 100mM NaCl; 90% H2O, 10% D2O; 0.01% NaN3 90% H2O/10% D2O 100mM NaCl 6.75 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITY 600
NMR Refinement Method Details Software simulated annealing, molecular dynamics, torsion angle dynamics Structures are based on a total of 2256 restraints; 2021 NOE-derived distance constraints, 235 dihedral angle restraints NMRPipe
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details Assignments were obtained using HNCACB, CBCA(CO)NH, HNCO, H(CCO)NH-TOCSY, C(CO)NH-TOCSY, 15N NOESY-HSQC, 13C HSQC, 1H TOCSY, 1H NOESY
Computation: NMR Software # Classification Version Software Name Author 1 processing NMRPipe 1.8 Delaglio et al 2 data analysis Sparky 3.11 Goddard and Kneller 3 structure solution CNS 1.1 Brunger et al 4 structure solution ARIA 1.2 Linge and Nilges 5 refinement ARIA 1.2 Linge and Nilges